Chaudhary, Farooq Ahmad
Ahmad, Basaruddin
Sinor, Mohd Zulkarnain
Article History
Received: 31 May 2021
Accepted: 18 October 2021
First Online: 8 November 2021
Declarations
:
: Ethical approval for this study had been taken from Shaheed Zulfiqar Ali Bhutto Medical University, Islamabad. Reference no. F.1-1/2015/ERB/SZABMU. Written consent from the participants and from parent/ guardian of participants under 15 years of age were sought prior to data collection.
: Not applicable.
: The authors declare that they have no competing interests.